#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
struct A {
	unsigned int a;
	char b[2];
	double c;
	short d;
};
int x = 5, y = 7;
void swap() {
	int z;
	z = x;
	x = y;
	y = z;
}
int main(void) {
	int x = 3, y = 8;
	swap();
	printf("%d,%d\n",x, y);
	printf("%d\n", sizeof(struct A));
}